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36 grams of an impure zinc sample are reacted with excess hydrochloric acid and 10 L of hydrogen gas are collected at STP, what is the percentage of PURITY of zinc sample?
what is the literature value for the Ksp of potassium hydrogen tartrate in water at 10, 22.5, 35, 50 degrees?
The equilibrium constant for thr hypothetical reaction below is Kp=0.113 at 25.0 oC. A2(g) + B2(g) 2AB(g) An experiment is carried out at 25oC with an initial mixture in which P(A2)=1.0atm and P{B2}=1.0atm. What is the equilibrium partial pressu..
Name a method or physical process that can be carried out that would achieve the removel of ammonium chloride from your sample without affecting the other fous components. Describe what is happening in this process.
If the methane contained in 4.00 of a saturated solution at 25 was extracted and placed under STP conditions, what volume would it occupy?
The overall hydrogen burning reaction in stars can be represented as the conversion of four protons to one alpha particle. Use the data for the mass of H-1 and He-4 to calculate the energy released by this process.
Calorimetry is a method used to measure changes in enthalpy, or heat, that occur during chemical processes. Two common calorimeters are constant-pressure calorimeters and constant-volume (or "bomb") calorimeters
if 100.0 grams of copper cu completely reacts with 25.0 grams of oxygen how much copperii oxide cuo will form from
Derive the relationship between the total energy and the molecular partition function for indistinguishable particles
Calculate an approximate delta_h in kilojoules for the industrial synthesis of ethyl alcohol from ethylene: C2H4(g) + H2O(g) -> C2H5OH
Consider the following grayscale electrostatic potential map. the region are labeled as to color. which atom is the most likely to be attacked by a nucleophile choose from the answers provided. (a) 1 (b) 2 (c) 3 (d) 4
If 0.150 mole of a nonvolatile, non electrolyte solute is dissolved in 800 grams of water, what are the ideal melting and boiling point of the solution
Predict whether each of the following should form a normal or inverse spinel (hint: think about CFSE's): MgV2O4, VMg2O4, NiGa2O4, ZnCr2S4, NiFe2O4, Mn3O4, Fe3O4
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